S
M
T
W
T
F
S
26
96°
72°
27
96°
68°
28
100°
69°
29
70°
57°
30
60°
54°
1
63°
52°
2
74°
46°
3
79°
50°
4
90°
61°
5
95°
57°
6
70°
51°
7
77°
48°
8
83°
58°
9
94°
63°
10
92°
61°
11
82°
55°
12
90°
58°
13
96°
64°
14
98°
75°
15
99°
71°
16
99°
73°
17
97°
73°
18
94°
71°
19
86°
67°
20
84°
62°
21
82°
61°
22
78°
62°
23
81°
63°
24
88°
65°
25
91°
66°
26
86°
67°
27
89°
64°
28
91°
68°
29
92°
68°
30
91°
69°
31
89°
69°
1
85°
68°
2
86°
69°
3
91°
69°
4
92°
70°
5
90°
70°
6
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stamford
Stamford's May 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 61° and 75°. The average high for May is 89° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Stamford. See also: June | July | August.
